Last updated: February 24, 2025
In Carlsbad, United States, the weather in May presents a vibrant tapestry of conditions. The temperature swings from a scorching maximum of 40°C (104°F) to a refreshing minimum of 4°C (39°F), averaging around a pleasant 25°C (77°F). With only 11 mm (0.4 in) of precipitation over three days, visitors can expect mostly dry skies, though the humidity level rests at a comfortable 67%, adding a touch of moisture to the warm air. This blend of warmth and mild humidity makes May an inviting month to explore the natural beauty and outdoor activities that Carlsbad has to offer.
In May, Carlsbad experiences a notable warming trend, with temperatures transitioning from the cool early spring to the warmth of summer. With a minimum temperature of 4°C (39°F) and a comfortable average of 25°C (77°F), the month showcases vibrant sunny days leading up to its peak maximum of 40°C (104°F). This upward trajectory in temperatures from April—when the average was 20°C (67°F)—indicates the onset of hotter days ahead, as May sets the stage for the soaring heat of June and July. Whether it’s basking in the sun or enjoying cooler evenings, May in Carlsbad offers the perfect blend of warmth and breezy comfort, inviting both locals and visitors to embrace the outdoors.
May in Carlsbad typically brings moderate precipitation, with the month recording about 11 mm (0.4 in) of rain over three days. This level of rainfall is consistent with the preceding months, showcasing a steady pattern as the region transitions into early summer. While April exhibited similar totals, May's precipitation often acts as a prelude to the wetter months that follow, such as June and August, which see significant increases in both rainfall amount and frequency. The overall trend indicates that May serves as a bridge, maintaining a balance as temperatures rise and the landscape gears up for the lush conditions of summer.
In Carlsbad, the month of May brings a relative humidity of 67%, marking a slight increase from the lower levels observed in both March and April, which were at 61%. This transition signals the onset of warmer weather, as humidity begins to rise after the cooler, drier months of winter. While June and July maintain similar humidity levels, the gradual shift can be felt as the summer approaches, leading to a collective average of around 67% for May. It's an inviting time in Carlsbad, where the balmy air hints at the joys of the season while still holding onto the freshness from spring.
As May unfolds in Carlsbad, the sun's intensity reaches its peak, maintaining a high UV Index of 12, signifying extreme exposure. This level of UV radiation means that getting just 10 minutes of direct sun can lead to skin burns, highlighting a significant trend of increasing UV exposure as the year progresses. Following the relentless sun in April, where the UV Index also soared to 12, May continues this pattern, with neighboring months like June and July poised to escalate even further. Residents and visitors alike should prepare for outdoor activities with adequate sun protection, staying informed about the ever-changing UV levels in this sun-drenched region. For more detailed insights on daily UV risks, visit Carlsbad UV Index.
UV Risk Categories
As May unfolds in Carlsbad, the radiance of sunshine reaches its peak, boasting an impressive 364 hours of golden daylight. This abundant light is a continuation of a steady upward trend throughout the spring months, where each preceding month builds anticipation for the sun-drenched days. After a steady climb from 207 hours in January, the sunshine hours accelerate through the seasons, culminating in May's vibrant glow. Following May, while June and July remain bright with 357 and 370 hours respectively, a slight decline in sunlight begins in August, though the warmth lingers well into the fall. Overall, May stands as a brilliant crescendo of brightness, inviting residents and visitors alike to bask in the exuberance of Carlsbad's sunny charm.
In May, Carlsbad enjoys a 67% chance of sunny weather, making it a delightful time to soak up the sun before the warmer summer months. While this percentage is slightly lower than the peak of 75% seen in March, it still holds strong compared to other months like April at 60% and July at 59%. Interestingly, late spring typically sees a gradual increase in sunshine, with the percentage of sunny days remaining consistently favorable, contributing to an overall trend of pleasant weather as summer approaches. If you're planning outdoor activities in Carlsbad, May's skies are likely to be more cheerful than gray!
In Carlsbad, May marks a delightful transition into the heart of spring, with daylight lasting 13 hours. This increase in sunlight follows April's 12 hours, showcasing a steady upward trend as the days grow longer leading into summer. The gradual enhancement of daylight from 10 hours in January to 14 hours in both June and July reflects the region's shifting seasons. After May, daylight begins to taper off slightly as it reverts back to 12 hours in September, before settling back to 10 hours by December. This rhythm not only highlights the gradual embrace of sunlight during the warmer months but also foreshadows the onset of autumn, providing Carlsbad residents with a splendid blend of vibrant spring days.
In May, Carlsbad experiences a mild and pleasant wind, with an average speed of 4.6 m/s (10 mph)—slightly up from April's average of 4.5 m/s (10 mph). This gentle breeze is characteristic of the spring season, providing a refreshing backdrop for outdoor activities. As the early summer months approach, the wind begins to taper off, with June seeing a decrease back to 3.7 m/s (8 mph). Overall, May stands out as a transitional month where the winds are vibrant enough to enhance the coastal charm, yet not overpowering, making it an ideal time to enjoy the beautiful landscapes and activities that Carlsbad has to offer.
The weather in Carlsbad changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Carlsbad and find detailed weather information for every month.
The weather in May presents a stark contrast to January, showcasing a wide temperature range and significantly lower precipitation. In May, temperatures can soar from a minimum of 4°C (39°F) to an average of 25°C (77°F), peaking at a sweltering 40°C (104°F), while only experiencing 11 mm (0.4 in) of rainfall over approximately three days and maintaining a humidity level of 67%. In comparison, January temperatures are much cooler, with a minimum of -10°C (15°F) and an average of 8°C (46°F), peaking at 27°C (80°F). This month sees slightly higher precipitation at 12 mm (0.5 in), but it occurs over just two days, contributing to a more humid environment at 75%. For more details on what to expect weather-wise, check out Carlsbad weather in January.
May and February present striking contrasts in weather. In May, temperatures range from a chilly minimum of 4°C (39°F) to a scorching maximum of 40°C (104°F), with a pleasant average of 25°C (77°F) and relatively low precipitation of 11 mm (0.4 in) over 3 days. The humidity sits at 67%, making the warmth feel quite comfortable. In contrast, February experiences much colder conditions, with temperatures dropping to a frosty minimum of -15°C (6°F) and peaking at a mild 31°C (88°F), averaging around 10°C (50°F). Despite the same total precipitation of 11 mm (0.4 in) as in May, it falls over just 1 day, and the humidity is slightly higher at 74%. For more details on February's conditions, check out Carlsbad weather in February.
The weather in May is significantly warmer than in March, with average temperatures soaring to about 25°C (77°F) compared to March's milder average of 15°C (59°F). While May can reach highs of up to 40°C (104°F), March sees maximum temperatures of 34°C (93°F). Precipitation is lower in May with just 11 mm (0.4 in) over three days, compared to March's 24 mm (0.9 in) also over three days. Additionally, humidity levels are slightly higher in May at 67%, compared to 61% in March, making the earlier spring month feel cooler overall. For more detailed insights, you can check Carlsbad weather in March.
In comparing the weather of May and April, we see a noticeable increase in temperature. May's minimum temperature begins at 4°C (39°F) and averages 25°C (77°F), reaching a high of 40°C (104°F), while April's temperatures range from a minimum of 3°C (37°F) to an average of 20°C (67°F) and a maximum of 36°C (97°F). Precipitation also sees a slight decrease, with May experiencing 11 mm (0.4 in) over 3 days compared to April's 12 mm (0.5 in) over just 1 day. Furthermore, humidity levels are marginally higher in May at 67%, compared to April's 61%. For more specific details on April weather, you can visit Carlsbad weather in April.
In May, temperatures start off quite cool with a minimum of 4°C (39°F) but can soar to a maximum of 40°C (104°F), averaging around 25°C (77°F). The month experiences relatively low precipitation at 11 mm (0.4 in) over three days, accompanied by a humidity level of 67%. In contrast, June brings warmer weather, with minimum temperatures rising to 14°C (58°F) and maximums reaching 42°C (109°F), averaging 29°C (84°F). Rainfall increases significantly in June, totaling 29 mm (1.1 in) over the same number of days, and humidity also creeps up slightly to 69%. For more detailed insights about June weather, check out Carlsbad weather in June.
When comparing the weather in May and July, it's evident that July tends to be warmer and more humid. In May, temperatures range from a minimum of 4°C (39°F) to an average of 25°C (77°F), with a maximum temperature reaching up to 40°C (104°F). In contrast, July boasts a minimum temperature of 18°C (65°F) and averages 29°C (85°F), with peaks soaring to 44°C (111°F). Rainfall is also more pronounced in July, with 23 mm (0.9 in) recorded across four days, compared to May's 11 mm (0.4 in) over just three days. Humidity levels are slightly higher in July at 69%, compared to 67% in May. For detailed information, you can check out Carlsbad weather in July.
May and August present distinct weather patterns, highlighting a transition from spring to summer. In May, temperatures range from a cool minimum of 4°C (39°F) to an average of 25°C (77°F), with a scorching maximum reaching up to 40°C (104°F). The month sees minimal precipitation, totaling only 11 mm (0.4 in) over three days, accompanied by relatively high humidity at 67%. In contrast, August experiences higher temperatures, with a minimum of 17°C (63°F) and an average of 29°C (84°F), peaking at a steamy 43°C (109°F). Precipitation increases to 34 mm (1.3 in) over five days, while humidity remains similar at 66%. For a deeper understanding of August's climate specifics, you can refer to Carlsbad weather in August.
In comparing the weather of May and September, we notice that both months share a similar average temperature of around 25°C (77°F). However, May experiences a wider temperature range, with minimums dipping to 4°C (39°F) and maximums soaring up to 40°C (104°F). In contrast, September starts warmer with a minimum of 8°C (47°F) and a maximum of 38°C (101°F). Precipitation levels also vary, with May receiving only 11 mm (0.4 in) over 3 days, while September sees an increase to 29 mm (1.1 in) over 6 days, contributing to slightly higher humidity levels of 71%. For more detailed insights about September weather, check out Carlsbad weather in September.
May weather in Carlsbad is characterized by a wide range of temperatures, with minimums around 4°C (39°F) and maximums reaching as high as 40°C (104°F), coupled with relatively low precipitation of 11 mm (0.4 in) over about three days. In contrast, October brings cooler temperatures, with a minimum of -3°C (28°F) and an average of 19°C (66°F), while the maximum can reach 36°C (97°F). October sees a higher precipitation level of 31 mm (1.2 in), maintaining similar rainfall days as in May, but the humidity slightly increases to 71%. For more information, check out Carlsbad weather in October.
In May, temperatures are generally warm, with a minimum of 4°C (39°F) and an average high reaching up to 40°C (104°F). The month experiences low precipitation, averaging just 11 mm (0.4 in) over about three days, and a moderate humidity of 67%. In contrast, November brings cooler conditions, with temperatures ranging from a chilly -4°C (25°F) at night to a pleasant maximum of 31°C (88°F) during the day. While November has slightly higher precipitation at 16 mm (0.6 in) over two days, it also shows increased humidity levels, averaging 82%. For more detailed insights into the climate during this time, check out Carlsbad weather in November.
May and December present stark contrasts in weather. In May, temperatures can soar, ranging from a minimum of 4°C (39°F) to a sweltering maximum of 40°C (104°F), with an average of 25°C (77°F). The month experiences relatively low precipitation of 11 mm (0.4 in) over about 3 days and a moderate humidity of 67%. In contrast, December brings much cooler temperatures, with a minimum reaching -5°C (23°F) and a maximum of 27°C (80°F), averaging around 9°C (49°F). Precipitation is less frequent, only 7 mm (0.3 in) over just 1 day, and higher humidity at 80%. For more specific weather details, check out Carlsbad weather in December.
As May unfolds in Carlsbad, the weather transitions towards warmer days, showcasing a significant shift from the cooler months. With average temperatures climbing to a pleasant 25°C (77°F), residents and visitors alike can enjoy ample sunshine and outdoor activities. Unlike the previous months, May boasts minimal precipitation, averaging only 11 mm with just three days of rain, making it an ideal time for exploration. The humidity hovers around a comfortable 67%, adding to the overall warmth without overwhelming discomfort. For a deeper dive into how these trends compare to the rest of the year, check out Carlsbad Climate.